Home / 1,642,190.80-2,267,289.65-1,469,810.25

Finding the Fourth Proportional to 1,642,190.80, 2,267,289.65 and 1,469,810.25

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Solution

The fourth proportional to 1,642,190.80, 2,267,289.65 and 1,469,810.25 is: 2,029,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,190.80 : 2,267,289.65 = 1,469,810.25 : x
  2. Step 2: Convert to fraction form
    1,642,190.80/2,267,289.65 = 1,469,810.25/x
  3. Step 3: Cross multiply
    1,642,190.80x = 2,267,289.65 × 1,469,810.25
  4. Step 4: Simplify right side
    1,642,190.80x = 3,332,485,567,288.91
  5. Step 5: Solve for x
    x = 3,332,485,567,288.91/1,642,190.80
  6. Step 6: Final answer
    x = 2,029,292.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.